What is DevDtct2.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the DevDtct2.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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DevDtct2.exe file information

Windows Task Manager with DevDtct2
DevDtct2.exe process in Windows Task Manager

The process known as Device Detector (version 3, 2) belongs to software Device Detector (version 3) or Olympus Device Detector (version 2) or TIBCO Rendezvous GAC Assembly by OLYMPUS IMAGING CORP ( or OLYMPUS Optical Co. or OLYMPUS (

Description: DevDtct2.exe is not essential for the Windows OS and causes relatively few problems. DevDtct2.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 118,784 bytes (56% of all occurrences), 106,496 bytes, 114,688 bytes or 163,840 bytes. 
The DevDtct2.exe file is not a Windows core file. The program is not visible. Therefore the technical security rating is 38% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with DevDtct2.exe, you can completely remove TIBCO Rendezvous GAC Assembly (Control Panel ⇒ Uninstall a Program).

Recommended: Identify DevDtct2.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as DevDtct2.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the DevDtct2.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

It is associated with Olympus audio recording device software
  Larry Smith  
Installed by various Olympus products, this program detects the active connection of a speech device (voice recorder, etc) to a USB port then runs specific client software used to access that device. The DevDtct2 process has a "high" priority level which can negatively impact system resources.
  Larry   (further information)

Summary: Average user rating of DevDtct2.exe: based on 4 votes with 2 user comments. 2 users think DevDtct2.exe is essential for Windows or an installed application. 2 users think it's neither essential nor dangerous.

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Best practices for resolving DevDtct2 issues

A clean and tidy computer is the key requirement for avoiding problems with DevDtct2. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the DevDtct2.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

DevDtct2.exe [all]